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QSI · Quantum-Si Inc
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TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475
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QSI

Quantum-Si Inc
MEDICAL DEVICES · MEASURING & CONTROLLING DEVICES, NEC · CIK 0001816431
FORM 144 · 4☆ WATCH
INSIDER NET · 180D
-$370.4K
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
64
13F, latest reported quarter
REVENUE GROWTH
-20.3%
XBRL, annual
NET MARGIN
-4160.1%
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$370.4K over 180 days
-$71.3K over 90 days
below 52% of Medical Devices
CONGRESS
no member of Congress has reported trading it
FUNDS
64 funds added or opened last quarter
below 55% of Medical Devices
REVENUE
-20.3% year over year
below 90% of Medical Devices
MARGIN
-4160.1% net margin
the lowest in Medical Devices
BUYBACKS
no share repurchases reported
SHORT
no short interest reported
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$370.4K across 4 people in 180 days.
64 funds added or opened positions in the latest 13F quarter, of 142 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN -29.1%
-29.1%12M
-35%+25%+84%+144%2025-092025-102025-122026-032026-052026-072026-09 2026-03-05 · Kummeth Charles R. bought $460.0K2026-03-05 · Dowdy Paula bought $104.4K2026-04-20 · Hawkins Jeffrey Alan sold $84.5K2026-04-21 · Hawkins Jeffrey Alan sold $83.7K2025-10-16 · ROTHBERG JONATHAN M sold $80.1K2026-04-20 · Keyes Jeffry R. sold $37.8K2026-04-21 · Keyes Jeffry R. sold $37.4K2025-09-22 · Bennett Todd C. sold $31.0K2025-12-22 · Hawkins Jeffrey Alan sold $30.3K2025-09-23 · Bennett Todd C. sold $30.3K2025-12-22 · Vieceli John S. sold $28.1K2025-09-22 · Hawkins Jeffrey Alan sold $17.9K2025-09-23 · Hawkins Jeffrey Alan sold $17.5K2025-09-22 · Vieceli John S. sold $16.5K2025-09-23 · Vieceli John S. sold $16.1K2025-12-22 · LaPointe Christian sold $15.3K2026-06-22 · Vieceli John S. sold $14.5K2026-06-23 · Vieceli John S. sold $13.6K2025-12-22 · Keyes Jeffry R. sold $11.0K2026-06-22 · Hawkins Jeffrey Alan sold $10.9K2026-06-23 · Hawkins Jeffrey Alan sold $10.2K2026-03-23 · Hawkins Jeffrey Alan sold $10.1K2026-03-20 · Hawkins Jeffrey Alan sold $9.9K2026-03-23 · Vieceli John S. sold $9.3K2026-03-20 · Vieceli John S. sold $9.1K2025-09-22 · LaPointe Christian sold $9.0K2025-09-23 · LaPointe Christian sold $8.8K2026-06-22 · LaPointe Christian sold $7.5K2026-06-23 · LaPointe Christian sold $7.0K2025-09-22 · Keyes Jeffry R. sold $6.5K2025-09-23 · Keyes Jeffry R. sold $6.4K2026-03-23 · LaPointe Christian sold $5.1K2026-03-20 · LaPointe Christian sold $5.0K2026-06-22 · Keyes Jeffry R. sold $4.0K2026-06-23 · Keyes Jeffry R. sold $3.7K2026-03-23 · Keyes Jeffry R. sold $3.7K2026-03-20 · Keyes Jeffry R. sold $3.6K2026-06-24 · Hawkins Jeffrey Alan filed to sell $21.0K2026-06-24 · Keyes Jeffry R. filed to sell $7.6K2026-06-24 · LaPointe Christian filed to sell $14.5K2026-06-24 · Vieceli John S. filed to sell $28.1K
INSIDER BUYINSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $370.4K sold by insiders over 180 days, 64 funds added last quarter, $71.2K in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
TMOPENROKBLFSMTDSIBNWRBYISRGTXGDXCMEWTMDX
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Quantum-Si Inc insiders sold a net $370.4K of stock across 73 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER
FILED
SHARES
VALUE
LaPointe Christian
GC & Corp. Secretary
SELL
2026-06-23
7,794.0
$7.0K
Keyes Jeffry R.
Chief Financial Officer
SELL
2026-06-23
4,117.0
$3.7K
Vieceli John S.
Chief Product Officer
SELL
2026-06-23
15,112.0
$13.6K
Hawkins Jeffrey Alan
President & CEO
SELL
2026-06-23
11,311.0
$10.2K
LaPointe Christian
GC & Corp. Secretary
SELL
2026-06-22
7,794.0
$7.5K
73 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 68 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
VANGUARD CAPITAL MANAGEMENT LLC
7,578,208.0 sh
$6.7M
ARK Investment Management LLC
7,167,738.0 sh
$6.3M
BlackRock, Inc.
5,225,352.0 sh
$4.6M
Amova Asset Management Americas, Inc.
3,885,230.0 sh
$3.5M
Sumitomo Mitsui Trust Group, Inc.
3,885,230.0 sh
$3.4M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
Hawkins Jeffrey Alan
FILED 2026-06-24
$21.0K
Keyes Jeffry R.
FILED 2026-06-24
$7.6K
LaPointe Christian
FILED 2026-06-24
$14.5K
Vieceli John S.
FILED 2026-06-24
$28.1K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
ARK Genomic Revolution ETF
$6.8M POSITION · AS OF 2026-04-30
0.5%
Ultra-Small Company Market Fund
$197.4K POSITION · AS OF 2026-03-31
0.2%
iShares Micro-Cap ETF
$328.5K POSITION · AS OF 2026-03-31
0.0%
SIIT SMALL CAP FUND
$38.8K POSITION · AS OF 2026-02-28
0.0%
SIIT SMALL CAP II FUND
$43.2K POSITION · AS OF 2026-02-28
0.0%
Invesco RAFI US 1500 Small-Mid ETF
$412.7K POSITION · AS OF 2026-04-30
0.0%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Executive pay vs shareholder return · Jeffrey Hawkins
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2025
$3.2M
-$2.9M
$1.6M
-40%
—
2024
$4.4M
$8.7M
$1.6M
+48%
—
2023
$1.1M
$1.9M
$1.3M
+10%
—
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
REVENUE$2.4M$3.1M$1.1M$0
GROSS PROFIT$1.2M$1.6M$488.0K$0
OPERATING INCOME$-116.1M$-108.6M$-111.2M$-123.8M
NET INCOME$-101.3M$-101.0M$-96.0M$-132.4M
EPS (DILUTED)-0.51-0.71-0.68-0.95
OPERATING CASH FLOW$-94.7M$-87.8M$-94.0M$-90.6M
CASH$21.6M$49.2M$133.9M$84.3M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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